as you know . if you want to view the real command used by smitty when you are working for a object . you can use the ESC+6 OR F6 Functionkey to do it in the smitty menu .
at present . let me tell you the same function key in os/400 .
if you want to change the system value QMAXSIGN from 3 to *nomax . you may run the following command directly:
Change System Value (CHGSYSVAL)
Type choices, press Enter.
System value . . . . . . . . . . qmaxsign QACGLVL, QACTJOB, QADLACTJ...
New value . . . . . . . . . . . *nomax
then you want to know the full command for it . you can press F12 to cancel the submenu to mainmenu . so you press the function key